[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

NL183123C - Werkwijze voor het behandelen van afval, alsmede gevormd voorwerp. - Google Patents

Werkwijze voor het behandelen van afval, alsmede gevormd voorwerp.

Info

Publication number
NL183123C
NL183123C NL7606685A NL7606685A NL183123C NL 183123 C NL183123 C NL 183123C NL 7606685 A NL7606685 A NL 7606685A NL 7606685 A NL7606685 A NL 7606685A NL 183123 C NL183123 C NL 183123C
Authority
NL
Netherlands
Prior art keywords
formed article
treating waste
waste
treating
article
Prior art date
Application number
NL7606685A
Other languages
English (en)
Other versions
NL183123B (nl
NL7606685A (nl
Original Assignee
Sipac
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sipac filed Critical Sipac
Publication of NL7606685A publication Critical patent/NL7606685A/nl
Publication of NL183123B publication Critical patent/NL183123B/nl
Application granted granted Critical
Publication of NL183123C publication Critical patent/NL183123C/nl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/0463Hazardous waste
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02Agglomerated materials, e.g. artificial aggregates
    • C04B18/021Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04Treating liquids
    • G21F9/06Processing
    • G21F9/16Processing by fixation in stable solid media
    • G21F9/162Processing by fixation in stable solid media in an inorganic matrix, e.g. clays, zeolites
    • G21F9/165Cement or cement-like matrix
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28Treating solids
    • G21F9/30Processing
    • G21F9/301Processing by fixation in stable solid media
    • G21F9/302Processing by fixation in stable solid media in an inorganic matrix
    • G21F9/304Cement or cement-like matrix
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/902Materials removed
    • Y10S210/911Cumulative poison
    • Y10S210/912Heavy metal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/902Materials removed
    • Y10S210/911Cumulative poison
    • Y10S210/912Heavy metal
    • Y10S210/913Chromium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/902Materials removed
    • Y10S210/911Cumulative poison
    • Y10S210/912Heavy metal
    • Y10S210/914Mercury

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
  • Fire-Extinguishing Compositions (AREA)
NL7606685A 1975-07-16 1976-06-20 Werkwijze voor het behandelen van afval, alsmede gevormd voorwerp. NL183123C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE158349A BE831427A (fr) 1975-07-16 1975-07-16 Procede de traitement de dechets et produits obtenus

Publications (3)

Publication Number Publication Date
NL7606685A NL7606685A (nl) 1977-01-18
NL183123B NL183123B (nl) 1988-03-01
NL183123C true NL183123C (nl) 1988-08-01

Family

ID=3842795

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7606685A NL183123C (nl) 1975-07-16 1976-06-20 Werkwijze voor het behandelen van afval, alsmede gevormd voorwerp.

Country Status (20)

Country Link
US (1) US4404105A (nl)
JP (1) JPS5212759A (nl)
AT (1) AT350011B (nl)
AU (1) AU507920B2 (nl)
BE (1) BE831427A (nl)
BR (1) BR7605721A (nl)
CA (1) CA1073476A (nl)
CH (1) CH598152A5 (nl)
DE (1) DE2628656C2 (nl)
DK (1) DK152094C (nl)
ES (1) ES449647A1 (nl)
FI (1) FI762022A (nl)
FR (1) FR2318125A1 (nl)
GB (1) GB1518024A (nl)
IT (1) IT1064668B (nl)
LU (1) LU75274A1 (nl)
NL (1) NL183123C (nl)
NO (1) NO149542C (nl)
SE (1) SE433573B (nl)
ZA (1) ZA764213B (nl)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531056C3 (de) * 1975-07-11 1980-06-12 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Verfahren zum Verfestigen einer radioaktive oder toxische Abfallstoffe enthaltenden wäßrigen Lösung
US4113504A (en) * 1977-10-03 1978-09-12 Stauffer Chemical Company Disposal of heavy metal containing sludge wastes
DE3026430C2 (de) 1979-07-13 1985-05-09 Nippon Kokan K.K., Tokio/Tokyo Verfahren zur Abtrennung von in Abwasser gelösten Schwermetallen unter Verwendung von Schlacken
ZA807812B (en) * 1979-12-21 1981-12-30 Stablex Ag Treatment of hazardous waste
LU82089A1 (fr) * 1980-01-16 1981-09-10 Sipac Procede de preparation d'un echangeur de cations et procede d'utilisation de cet echangeur pour l'extraction de metaux de liquides
WO1982000998A1 (en) * 1980-09-19 1982-04-01 Bye G Method of processing waste materials
US4701219A (en) * 1982-02-08 1987-10-20 Ashland Oil, Inc. Inhibiting leaching of metals from catalysts and sorbents and compositions and methods therefor
US5028272A (en) * 1982-02-08 1991-07-02 Ashland Oil, Inc. Inhibiting leaching of metals from catalysts and sorbents and compositions and methods therefor
US4517095A (en) * 1982-09-27 1985-05-14 Ceaser Anthony V Fluoride containing compositions for removal of pollutants from waste waters and methods of utilizing same
JPS60139445A (ja) * 1983-12-27 1985-07-24 株式会社イノアックコーポレーション フレ−ムラミネ−シヨン用難燃ポリウレタンフオ−ム
EP0149501B1 (en) * 1984-01-12 1989-11-08 PELT & HOOYKAAS B.V. A method of processing waste materials, particularly a sludge containing noxious metals
US4504321A (en) * 1984-02-17 1985-03-12 Trident Engineering Associates, Inc. Process for treating and stabilizing chromium ore waste
US4705638A (en) * 1984-05-03 1987-11-10 The University Of Toronto Innovations Foundation Waste water treatment
US4664895A (en) * 1984-07-10 1987-05-12 Westinghouse Electric Corp. High concentration boric acid solidification process
NL8403501A (nl) * 1984-11-15 1986-06-02 Pelt & Hooykaas Werkwijze voor het omzetten in onschadelijke vorm van bij chemische of fysische werkwijzen vrijkomende deeltjes door mengen met een gesmolten silicaathoudend materiaal alsmede gevormd materiaal.
US4839022A (en) * 1984-12-03 1989-06-13 Atlantic Richfield Company Method and apparatus for treating oil-water-solids sludges and refinery waste streams
US4668124A (en) * 1985-04-22 1987-05-26 Engelhard Corporation Disposal of material containing vanadium as landfill
AT387766B (de) * 1985-09-10 1989-03-10 Steirische Magnesit Ind Ag Verfahren zum herstellen von klinkern aus schwermetallhaltigen schlaemmen
FR2596909B1 (fr) * 1986-04-08 1993-05-07 Tech Nles Ste Gle Procede d'immobilisation de dechets nucleaires dans un verre borosilicate
US4687373A (en) * 1986-05-21 1987-08-18 Lopat Industries, Inc. Composition to encapsulate toxic metal and/or organic pollutants from wastes
JPS63130189A (ja) * 1986-11-21 1988-06-02 Suido Kiko Kk 水処理方法及び水処理用凝集剤
JPH066177B2 (ja) * 1987-01-13 1994-01-26 大豊産業株式会社 産業廃棄物を利用した液状有機ハロゲン化物の固定化処理剤、同固定化処理方法及び同燃焼処理方法
US4793933A (en) * 1987-11-16 1988-12-27 Rostoker, Inc. Waste treatment method for metal hydroxide electroplating sludges
US4853208A (en) * 1988-03-21 1989-08-01 Chemfix Technologies, Icc. Method of binding wastes in alkaline silicate matrix
EP0345364B1 (en) * 1988-06-06 1993-12-15 Sanipor International AG Method for improving the strength and impermeability of soils and engineering structures
US4889640A (en) * 1988-06-10 1989-12-26 Rmt, Inc. Method and mixture for treating hazardous wastes
US4950409A (en) * 1988-06-10 1990-08-21 Stanforth Robert R Method for treating hazardous wastes
US5069720A (en) * 1988-06-17 1991-12-03 Fuel Tech, Inc. Method and composition for the reduction of ammonia emissions from non-acidic residue
MX171672B (es) * 1988-07-19 1993-11-10 Safe Waste Systems Inc Composicion para encapsular cromo, arsenico y otros metales toxicos presentes en desechos y procedimiento para tratar los mismos
NL8802398A (nl) * 1988-09-29 1990-04-17 Pelt & Hooykaas Werkwijze voor het onschadelijk maken van giftig afval.
US5174972A (en) * 1989-01-23 1992-12-29 Azar David G Fluorogypsum waste solidification material
US5236599A (en) * 1989-06-14 1993-08-17 Imperial Chemical Industries Plc Water treatment process
US4948516A (en) * 1989-08-21 1990-08-14 Monsanto Company Method of disposing of wastes containing heavy metal compounds
DE3941825A1 (de) * 1989-12-19 1991-06-20 Huels Chemische Werke Ag Verfahren zur abwasserfreien aufarbeitung von rueckstaenden einer chlorsilandestillation mit calciumcarbonat
EP0479218B1 (en) * 1990-10-01 1994-03-30 Suido Kiko Kabushiki Kaisha Flocculant for water treament and method for producing it
GB9102796D0 (en) * 1991-02-11 1991-03-27 Ici Plc Water treatment agent
US5211871A (en) * 1991-02-11 1993-05-18 Imperial Chemical Industreis Plc Water treatment agent
US5718857A (en) * 1991-06-12 1998-02-17 Ferrock Corporation (Australia) Pty. Ltd. Process for forming solid aggregates including shaped articles
NL9102131A (nl) * 1991-12-19 1993-07-16 Pelt & Hooykaas Werkwijze voor het fixeren van afvalmateriaal.
DE4240589A1 (de) * 1992-12-03 1994-06-09 Bayer Ag Verfahren zur gegenseitigen chemischen Behandlung und Verfestigung anorganischer Abfälle
FR2714625A1 (fr) * 1993-12-30 1995-07-07 Cordi Geopolymere Sa Procédé d'inertage de déchets toxiques.
US5549820A (en) * 1994-03-04 1996-08-27 Eastman Kodak Company Apparatus for removing a component from solution
US5573576A (en) * 1994-10-24 1996-11-12 International Solidification, Inc. Method of treating steel mill waste
US5439505A (en) * 1994-10-24 1995-08-08 Krofchak; David Treatment of steel mill waste for recycling
US5494863A (en) * 1994-12-13 1996-02-27 Vortec Corporation Process for nuclear waste disposal
US5570469A (en) * 1995-01-06 1996-10-29 Lockheed Martin Corporation Method for removing metal contaminants from flue dust
US5958462A (en) * 1997-05-23 1999-09-28 Mclean; Linsey Therapeutic bath salts and method of use
US6183650B1 (en) * 1998-05-04 2001-02-06 Minerals Technologies Inc. Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles
US20030124256A1 (en) * 2000-04-10 2003-07-03 Omnishield, Inc. Omnishield process and product
US20060008402A1 (en) * 2004-07-12 2006-01-12 Robles Antonio T Method for preparing activated silica for water treatment
US20110049057A1 (en) * 2009-09-02 2011-03-03 Grubb Dennis G Metal Immobilization Using Slag Fines
RU2477708C2 (ru) * 2011-07-01 2013-03-20 Федеральное государственное образовательное учреждение высшего профессионального образования "Петербургский государственный университет путей сообщения" Способ очистки сточных вод от ионов меди
IL220731A (en) * 2012-07-02 2013-09-30 Gilad Golub Method for stabilizing waste and hazardous waste
GB2522173A (en) * 2013-10-02 2015-07-22 Nat Nuclear Lab Ltd Encapsulation of Waste Materials
CN106924926A (zh) * 2017-04-07 2017-07-07 张洪 一种飞灰重金属固化剂及其固化方法
CN112520749A (zh) * 2020-12-16 2021-03-19 青岛惠城环保科技股份有限公司 一种石油焦气化灰渣的处理方法
CN115703077B (zh) * 2021-08-10 2024-05-14 中国科学院大连化学物理研究所 一种PB@MoS2催化剂在非均相类芬顿反应中的应用
CN114260288B (zh) * 2021-12-27 2022-11-04 江苏大昱环保工程有限公司 一种焚烧炉炉底灰材料回收装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217466A (en) * 1937-09-17 1940-10-08 City Of Chicago Composition of matter for water treatment
US2746920A (en) * 1952-07-07 1956-05-22 John M Wunderley Waster pickle liquor disposal
US3094846A (en) * 1961-02-27 1963-06-25 Diamond Alkali Co Treatement of earth strata containing acid forming chemicals
GB1066192A (en) * 1962-10-22 1967-04-19 Cementation Co Ltd Improvements in or relating to silicate grout
US3388060A (en) * 1964-07-29 1968-06-11 Parsons Brinckerhoff Quade & D Process and composition for purification of water supplies and aqueous wastes
CA965966A (en) * 1970-01-08 1975-04-15 Jesse R. Conner Land improvement with waste materials
US3720609A (en) * 1970-04-17 1973-03-13 G & W Corson Inc Process for treating aqueous chemical waste sludges and composition produced thereby
GB1356248A (en) * 1970-11-05 1974-06-12 Zirconal Processes Ltd Silica-metal oxide co-gels
US4116705A (en) * 1973-06-01 1978-09-26 Stablex Ag Detoxification
US3841102A (en) * 1974-01-02 1974-10-15 Environmental Sciences Inc Method of improving the quality of leachate from sanitary landfills
US3980558A (en) * 1975-07-07 1976-09-14 Browning-Ferris Industries, Inc. Method of disposing sludges containing soluble toxic materials

Also Published As

Publication number Publication date
US4404105A (en) 1983-09-13
GB1518024A (en) 1978-07-19
FR2318125A1 (fr) 1977-02-11
AU1575776A (en) 1978-01-12
AU507920B2 (en) 1980-03-06
LU75274A1 (nl) 1977-02-23
DE2628656C2 (de) 1984-04-26
DK152094B (da) 1988-02-01
BE831427A (fr) 1976-01-16
SE433573B (sv) 1984-06-04
JPS5212759A (en) 1977-01-31
DK152094C (da) 1988-09-12
NO149542C (no) 1984-05-09
BR7605721A (pt) 1977-08-23
NO149542B (no) 1984-01-30
NO762434L (nl) 1977-01-18
CH598152A5 (nl) 1978-04-28
SE7607462L (sv) 1977-01-17
NL183123B (nl) 1988-03-01
CA1073476A (en) 1980-03-11
FI762022A (nl) 1977-01-17
AT350011B (de) 1979-05-10
ATA503676A (de) 1978-10-15
FR2318125B1 (nl) 1980-01-25
ZA764213B (en) 1977-07-27
DK321276A (da) 1977-01-17
NL7606685A (nl) 1977-01-18
DE2628656A1 (de) 1977-02-03
ES449647A1 (es) 1977-07-01
IT1064668B (it) 1985-02-25

Similar Documents

Publication Publication Date Title
NL183123C (nl) Werkwijze voor het behandelen van afval, alsmede gevormd voorwerp.
NL7610795A (nl) Inrichting en werkwijze voor het behandelen van oppervlakken.
NL7703708A (nl) Werkwijze voor het behandelen van polyvinylideen- fluoride.
NL183099C (nl) Werkwijze voor het vervaardigen van georienteerd polyetheen en daaruit gevormd voorwerp.
NL183994C (nl) Werkwijze voor het behandelen van waterhoudende afvalstoffen.
NL7811183A (nl) Werkwijze en gas voor het behandelen van halfgeleiders.
NL7602783A (nl) Inrichting en werkwijze voor het vervaardigen van hechtomslagen.
NL7514582A (nl) Werkwijze en inrichting voor het behandelen van banen textiel, in het bijzonder breisels.
NL175284C (nl) Werkwijze voor het behandelen van water en inrichting voor het uitvoeren van de werkwijze.
NL7601324A (nl) Werkwijze voor het opwerken van afvalprodukten.
NL7606572A (nl) Inrichting en werkwijze voor het behandelen van oplossingen voor het afbijten van metalen.
NL7605369A (nl) Machine en werkwijze voor het toevoeren van voorwerpdragers.
NL7601930A (nl) Werkwijze en inrichting voor het sorteren van vuilnis.
NL162665C (nl) Werkwijze voor het polymeriseren van 1-alkenen.
NL7604021A (nl) Werkwijze voor het vaststellen van trombose en pretrombose.
NL7600228A (nl) Werkwijze voor het verwerken van mangaanoxyde- -erts.
NL7601295A (nl) Werkwijze voor het bereiden van gesubstitueerde indenofuranen en indenothiofenen.
NL7712019A (nl) Werkwijze voor het behandelen van salpeterzuur- bevattende affluenten.
NL7708890A (nl) Werkwijze voor het behandelen van velvormig ma- teriaal, alsmede aldus vervaardigde voorwerpen.
NL7812164A (nl) Werkwijze voor het behandelen van hypertensie en daarop betrekking hebbende geneesmiddelen.
NL7509735A (nl) Werkwijze voor het polymeriseren van alkenen-1.
NL7610461A (nl) Werkwijze voor het behandelen van elementen in een ruimte.
NL7608945A (nl) Werkwijze voor het verwerken van vast afval.
NL7703576A (nl) Werkwijze voor het bereiden en zuiveren van secretine.
NL7607732A (nl) Werkwijze voor het bereiden van epoxyandrosta- nen en tussenprodukten daarvoor.

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 960620